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you have 87,520 grams of a radioactive kind of lead. How much will be left after 108 minutes if its half-life is 27 minutes

Sagot :

rspill6

Answer:

5,470 mg

Step-by-step explanation:

108 minutes is 4 half-lives:

Time       Lead

 Min. mg Pb

   0        87520

  27        43760

  54        21880

  81         10940

108           5470

TheUnknownScientist

Answer:

The answer is 5470 grams of lead will be left.

Step-by-step explanation:

Given:

The half life of lead is 27 minutes

Now,

108/27 = 4

Here, we get the value 4 so, we divide the amount of lead by 4². i.e., 16

Now,

87520/16 = 5470

Thus, After 108 minutes 5470 grams of lead will be left.

 

-TheUnknownScientist 72

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